<php>
// 智能手机到3G版
if ( isiPhone() || isAndroid()) { // iOS和Android跳转至3G版
</php>
<include file="__THEME__/public_header_auto" />
<php> 
} else { 
</php>

<include file="__THEME__/public_header_pre" />
<php>
}
</php>